/**
 * Copyright 2019 The JoyQueue Authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.joyqueue.token;

import java.util.Date;

/**
 * 令牌提供者
 */
public interface TokenSupplier {

    /**
     * 生成应用的令牌
     *
     * @param application    应用
     * @param effectiveTime  生效时间
     * @param expirationTime 失效时间
     * @return 令牌
     */
    String apply(String application, Date effectiveTime, Date expirationTime);

}
